MP2670DQ-LF-P

Overview

The MP2670DQ-LF-P is a linear lithium-ion battery charger IC manufactured by Monolithic Power Systems. It supports single-cell Li-Ion and Li-Polymer batteries with a charge voltage of 4.2 V and a maximum charge current of 1 A. The device operates from an input supply voltage range of 3.5 V to 6.5 V. It integrates thermal regulation to manage die temperature during high-current charging. The component is housed in a QFN-10 package suitable for surface-mount assembly.

Feature Summary

• Integrates thermal regulation to automatically reduce charge current based on junction temperature
• Supports programmable charge current via a single external resistor
• Indicates charge status through dedicated LED output pins

Applications

• Portable electronic devices requiring single-cell lithium battery management
• Consumer electronics utilizing Li-Ion or Li-Polymer power sources
• Compact mobile hardware with limited board space

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm pinout and functional variations. Ensure compatibility with the target input voltage range and thermal requirements before integration. Cross-reference the datasheet for exact electrical characteristics and recommended operating conditions.

Selection Notes

Select this component for applications requiring a compact, linear charging solution for single-cell lithium batteries. Evaluate the thermal performance constraints relative to the expected ambient temperature and PCB copper area. Confirm that the required charge current falls within the supported 1 A limit and that the input voltage remains within the specified operational window.

Part Context

This part belongs to the MP2670 series of battery chargers from Monolithic Power Systems. It is designed for cost-effective and space-constrained portable applications. The QFN-10 package facilitates efficient heat dissipation while maintaining a small footprint compared to larger packaging options.